ams-tschoening commented on a change in pull request #53:
URL: https://github.com/apache/logging-log4cxx/pull/53#discussion_r583548541
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File path: src/cmake/boost-fallback/boost-std-configuration.h.cmake
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@@ -0,0 +1,94 @@
+#ifndef BOOST_STD_CONFIGURATION_H
+#define BOOST_STD_CONFIGURATION_H
+
+#cmakedefine01 STD_THREAD_FOUND
+#cmakedefine01 Boost_THREAD_FOUND
+#cmakedefine01 STD_MUTEX_FOUND
+#cmakedefine01 Boost_MUTEX_FOUND
+#cmakedefine01 STD_SHARED_MUTEX_FOUND
+#cmakedefine01 Boost_SHARED_MUTEX_FOUND
+#cmakedefine01 STD_SHARED_PTR_FOUND
+#cmakedefine01 Boost_SHARED_PTR_FOUND
+#cmakedefine01 STD_ATOMIC_FOUND
+#cmakedefine01 Boost_ATOMIC_FOUND
+
+#if STD_THREAD_FOUND
+#include <thread>
+namespace ${NAMESPACE_ALIAS} {
+ typedef std::thread thread;
+}
+#elif Boost_THREAD_FOUND
+#include <boost/thread.hpp>
+namespace ${NAMESPACE_ALIAS} {
+ typedef boost::thread thread;
+}
+#endif
+
+#if STD_MUTEX_FOUND
+#include <mutex>
+#include <condition_variable>
+namespace ${NAMESPACE_ALIAS} {
+ typedef std::mutex mutex;
+ template <typename T>
+ using unique_lock = std::unique_lock<T>;
Review comment:
This syntax doesn't work for C++ less than 11, I'm running into this
with my legacy C++-Builder 10.2 UPD 3 with 32 Bit BCC. So simply don't support
those old compilers anymore? On the mailing list we had a discussion in the
past about different versions of the lib or not etc.
https://stackoverflow.com/a/2795024/2055163
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